JPS4921019U - - Google Patents
Info
- Publication number
- JPS4921019U JPS4921019U JP6249772U JP6249772U JPS4921019U JP S4921019 U JPS4921019 U JP S4921019U JP 6249772 U JP6249772 U JP 6249772U JP 6249772 U JP6249772 U JP 6249772U JP S4921019 U JPS4921019 U JP S4921019U
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/30—Automatic control in amplifiers having semiconductor devices
- H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
- H03G3/348—Muting in response to a mechanical action or to power supply variations, e.g. during tuning; Click removal circuits
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/007—Protection circuits for transducers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6249772U JPS5323067Y2 (es) | 1972-05-27 | 1972-05-27 | |
| GB2234573A GB1417794A (en) | 1972-05-27 | 1973-05-10 | Muting circuits |
| US00360460A US3828267A (en) | 1972-05-27 | 1973-05-15 | Muting circuit |
| NLAANVRAGE7307227,A NL185122C (nl) | 1972-05-27 | 1973-05-23 | Blokkeringsschakeling. |
| DE2326802A DE2326802C2 (de) | 1972-05-27 | 1973-05-25 | Schaltungsanordnung zum Unterdrücken von Knackgeräuschen beim Ein/Ausschalten der Stromversorgung eines NF-Verstärkers |
| CA172,216A CA986025A (en) | 1972-05-27 | 1973-05-25 | Muting circuit |
| FR7319353A FR2189933B1 (es) | 1972-05-27 | 1973-05-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6249772U JPS5323067Y2 (es) | 1972-05-27 | 1972-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4921019U true JPS4921019U (es) | 1974-02-22 |
| JPS5323067Y2 JPS5323067Y2 (es) | 1978-06-15 |
Family
ID=13201846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6249772U Expired JPS5323067Y2 (es) | 1972-05-27 | 1972-05-27 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS5323067Y2 (es) |
| GB (1) | GB1417794A (es) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729656A1 (de) * | 1987-09-04 | 1989-03-23 | Thomson Brandt Gmbh | Schaltungsanordnung zur unterdrueckung von stoergeraeuschen |
| US5144441A (en) * | 1989-03-23 | 1992-09-01 | Thomson Consumer Electronics, Inc. | Quieting receiver during power interruption |
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1972
- 1972-05-27 JP JP6249772U patent/JPS5323067Y2/ja not_active Expired
-
1973
- 1973-05-10 GB GB2234573A patent/GB1417794A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5323067Y2 (es) | 1978-06-15 |
| GB1417794A (en) | 1975-12-17 |